What are compounds?
Compound
A compound is a substance made up of atoms of more than one element joined together in a molecule.
What are molecules?
A molecule is two or more atoms joined together; the smallest unit of many substances.
Compare and contrast molecules and compounds.
Compare: they both start with atoms, and they form when atoms join together. Contrast: compounds use two different atoms and molecules uses two of the same atom.
Is a single oxygen atom a molecule? Why or why not?
It is a not a single oxygen atom because you need two or more atoms.
What are some uses for new materials scientists have developed?
Safety helmet, sunglasses, weatherproof jacket, fleecewear pants, tennis racket, gel-cushion in shoes, bone cement, and inline skates
How are compounds different from elements?
They have two different atoms, and two properties.
How does a compound differ from a molecule?
They need two or more different atoms to make a molecule.
Are all molecules of any one compound, such as water alike?
Yes, a molecule is the smallest part of any compound. Each molecule of a compound is the same.